Don't break backwards compatibility of the settings names

config.c

@@ -34,19 +34,19 @@ config_load_default(zathura_t* zathura)
 
   /* zathura settings */
   int_value = 10;
-  girara_setting_add(gsession, "zoom-step",     &int_value,   INT,   false, "Zoom step",               NULL, NULL);
+  girara_setting_add(gsession, "zoom_step",     &int_value,   INT,   false, "Zoom step",               NULL, NULL);
   int_value = 1;
-  girara_setting_add(gsession, "page-padding",  &int_value,   INT,   true,  "Padding between pages",   NULL, NULL);
+  girara_setting_add(gsession, "page_padding",  &int_value,   INT,   true,  "Padding between pages",   NULL, NULL);
   int_value = 2;
-  girara_setting_add(gsession, "pages-per-row", &int_value,   INT,   false, "Number of pages per row", cb_pages_per_row_value_changed, zathura);
+  girara_setting_add(gsession, "pages_per_row", &int_value,   INT,   false, "Number of pages per row", cb_pages_per_row_value_changed, zathura);
   float_value = 40;
-  girara_setting_add(gsession, "scroll-step",   &float_value, FLOAT, false, "Scroll step",             NULL, NULL);
+  girara_setting_add(gsession, "scroll_step",   &float_value, FLOAT, false, "Scroll step",             NULL, NULL);
 
 
   string_value = "#FFFFFF";
-  girara_setting_add(gsession, "recolor-dark-color",  string_value, STRING, false, "Recoloring (dark color)",  NULL, NULL);
+  girara_setting_add(gsession, "recolor_darkcolor",  string_value, STRING, false, "Recoloring (dark color)",  NULL, NULL);
   string_value = "#000000";
-  girara_setting_add(gsession, "recolor-light-color", string_value, STRING, false, "Recoloring (light color)", NULL, NULL);
+  girara_setting_add(gsession, "recolor_lightcolor", string_value, STRING, false, "Recoloring (light color)", NULL, NULL);
 
   /* define default shortcuts */
   girara_shortcut_add(gsession, GDK_CONTROL_MASK, GDK_c,          NULL, sc_abort,                    0,                   0,               NULL);

shortcuts.c

@@ -30,7 +30,7 @@ sc_adjust_window(girara_session_t* session, girara_argument_t* argument,
   zathura_t* zathura = session->global.data;
   g_return_val_if_fail(argument != NULL, false);
 
-  unsigned int* pages_per_row = girara_setting_get(session, "pages-per-row");
+  unsigned int* pages_per_row = girara_setting_get(session, "pages_per_row");
 
   if (zathura->ui.page_view == NULL || zathura->document == NULL || pages_per_row == NULL) {
     goto error_ret;
@@ -235,7 +235,7 @@ sc_scroll(girara_session_t* session, girara_argument_t* argument, unsigned int
   gdouble value       = gtk_adjustment_get_value(adjustment);
   gdouble max         = gtk_adjustment_get_upper(adjustment) - view_size;
   gdouble scroll_step = 40;
-  float* tmp = girara_setting_get(session, "scroll-step");
+  float* tmp = girara_setting_get(session, "scroll_step");
   if (tmp != NULL) {
     scroll_step = *tmp;
     g_free(tmp);
@@ -521,7 +521,7 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, unsigned int
   g_return_val_if_fail(zathura->document != NULL, false);
 
   /* retreive zoom step value */
-  int* value = girara_setting_get(zathura->ui.session, "zoom-step");
+  int* value = girara_setting_get(zathura->ui.session, "zoom_step");
   if (value == NULL) {
     return false;
   }

zathura.c

@@ -182,7 +182,7 @@ zathura_init(int argc, char* argv[])
   g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), NULL);
 
   /* save page padding */
-  int* page_padding = girara_setting_get(zathura->ui.session, "page-padding");
+  int* page_padding = girara_setting_get(zathura->ui.session, "page_padding");
   zathura->global.page_padding = (page_padding) ? *page_padding : 1;
   g_free(page_padding);
 
@@ -190,13 +190,13 @@ zathura_init(int argc, char* argv[])
   gtk_table_set_col_spacings(GTK_TABLE(zathura->ui.page_view), zathura->global.page_padding);
 
   /* parse colors */
-  char* string_value = girara_setting_get(zathura->ui.session, "recolor-dark-color");
+  char* string_value = girara_setting_get(zathura->ui.session, "recolor_darkcolor");
   if (string_value != NULL) {
     gdk_color_parse(string_value, &(zathura->ui.colors.recolor_dark_color));
     g_free(string_value);
   }
 
-  string_value = girara_setting_get(zathura->ui.session, "recolor-light-color");
+  string_value = girara_setting_get(zathura->ui.session, "recolor_lightcolor");
   if (string_value != NULL) {
     gdk_color_parse(string_value, &(zathura->ui.colors.recolor_light_color));
     g_free(string_value);
@@ -380,7 +380,7 @@ document_open(zathura_t* zathura, const char* path, const char* password)
   zathura->document = document;
 
   /* view mode */
-  int* value = girara_setting_get(zathura->ui.session, "pages-per-row");
+  int* value = girara_setting_get(zathura->ui.session, "pages_per_row");
   int pages_per_row = (value) ? *value : 1;
   g_free(value);
   page_view_set_mode(zathura, pages_per_row);